CN213687976U - Novel power plant cooling water waste heat recovery system for preparing domestic hot water - Google Patents
Novel power plant cooling water waste heat recovery system for preparing domestic hot water Download PDFInfo
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- CN213687976U CN213687976U CN202022669936.7U CN202022669936U CN213687976U CN 213687976 U CN213687976 U CN 213687976U CN 202022669936 U CN202022669936 U CN 202022669936U CN 213687976 U CN213687976 U CN 213687976U
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Abstract
The utility model discloses a novel power plant's cooling water waste heat recovery prepares life hot water system relates to the recovery of industry waste heat and recycles technical field. The utility model comprises a first power plant cooling water pipe and a second power plant cooling water pipe, and a buffer tank and a heat exchanger are fixedly connected between the first power plant cooling water pipe and the second power plant cooling water pipe in sequence; the heat exchanger is internally and fixedly connected with a heat exchange tube, and the heat exchange tube is spiral; the input end of the heat exchange tube is fixedly connected with a first cold water pipe, the output end of the heat exchange tube is connected with a second cold water pipe, and one ends, far away from the heat exchanger, of the first cold water pipe and the second cold water pipe are connected with the efficient heat pump. The utility model discloses a design of waste heat recovery structure for the device can retrieve the heat of power plant's cooling water, reduces the cooling water temperature of power plant, and the waste heat of the cooling water of cyclic recovery power plant moreover utilizes the waste heat complementary energy to concentrate supply life hot water, has improved heat energy circulation economic benefits.
Description
Technical Field
The utility model belongs to the technical field of the recovery of industry waste heat is recycled, especially relate to a novel power plant's cooling water waste heat recovery prepares life hot water system.
Background
At present, there is a large amount of cooling used heat in power plant's power generation process, these used heat have a large amount of high temperature waste heat, conventional method is through the cooling tower with it discharge in the air, not only cause huge energy waste, still can cause serious atmospheric environment thermal pollution simultaneously, along with the development of novel heat transfer technique, especially novel anticorrosive material, novel filtration equipment, the development of novel heat pump technique, and the hotel, the expansion of resident to the heat supply demand, the recovery of power plant's high energy consumption used heat becomes possible, recycle these waste heat resources, can improve the utilization ratio to the primary energy on the one hand, on the other hand also can alleviate the environmental heat pollution problem of power plant, in addition rational utilization behind the waste heat recovery can improve heat utilization efficiency.
Disclosure of Invention
An object of the utility model is to provide a novel life hot water system is prepared to power plant's cooling water waste heat recovery to current problem has been solved: in the power generation process of a power plant, a large amount of cooling waste heat is generated, and the waste heat carries a large amount of high-temperature waste heat, and the conventional method is to discharge the waste heat into the air through a cooling tower, so that not only is huge energy waste caused, but also serious thermal pollution to the atmospheric environment is caused.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a novel power plant cooling water waste heat recovery system for preparing domestic hot water, which comprises a first power plant cooling water pipe and a second power plant cooling water pipe, and a buffer tank and a heat exchanger are fixedly connected between the first power plant cooling water pipe and the second power plant cooling water pipe in sequence;
a heat exchange tube is fixedly connected inside the heat exchanger, and the shape of the heat exchange tube is spiral;
the heat exchanger is characterized in that the input end of the heat exchange tube is fixedly connected with a first cold water pipe, the output end of the heat exchange tube is connected with a second cold water pipe, one ends of the first cold water pipe and the second cold water pipe, which are far away from the heat exchanger, are connected with the high-efficiency heat pump, and the high-efficiency heat pump is connected with the water storage tank through a first hot water pipe and a second hot water pipe.
Further, still fixedly connected with tee bend ratio control valve between first power plant's condenser tube and the buffer tank, still be connected with power plant's cooling water bypass pipe on the tee bend ratio control valve, power plant's cooling water bypass pipe keeps away from tee bend ratio control valve's one end and is connected with second power plant's condenser tube.
Further, the cooling water pipe of the first power plant is fixedly connected with a cooling water temperature sensor of the first power plant, and the cooling water pipe of the second power plant is fixedly connected with a cooling water temperature sensor of the second power plant.
Furthermore, a first cold water temperature sensor, a cold water pump and a cold water filter are fixedly connected to the first cold water pipe.
Further, a second cold water temperature sensor is fixedly connected to the second cold water pipe.
Furthermore, a first hot water temperature sensor is fixedly connected to the first hot water pipe.
Furthermore, a second hot water temperature sensor, a hot water pump and a hot water filter are fixedly connected to the second hot water pipe from left to right in sequence.
Further, the inside filter layer that is provided with of buffer tank, buffer tank bottom end is provided with dirty fill of collection and blowoff valve.
The utility model discloses following beneficial effect has:
the utility model discloses a design of waste heat recovery structure for the device can retrieve the heat of power plant's cooling water, reduces the cooling water temperature of power plant, and the waste heat of the cooling water of cyclic recovery power plant moreover utilizes the waste heat complementary energy to concentrate supply life hot water, has improved heat energy circulation economic benefits.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the overall structure of the present invention;
FIG. 2 is a structural plan view of the overall structure of the present invention;
fig. 3 is a structural sectional view of the heat exchanger of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a high efficiency heat pump; 2. a first hot water temperature sensor; 3. a first hot water pipe; 4. a water storage tank; 5. a second hot water temperature sensor; 6. a hot water pump; 7. a hot water filter; 8. a second hot water pipe; 9. a first cold water pipe; 10. a cold water filter; 11. a cold water pump; 12. a first cold water temperature sensor; 13. a second cold water pipe; 14. a second cold water temperature sensor; 15. a first power plant cooling water pipe; 16. a first power plant cooling water temperature sensor; 17. a three-way proportional regulating valve; 18. a buffer tank; 19. a heat exchanger; 20. a second power plant cooling water temperature sensor; 21. a second power plant cooling water pipe; 22. a power plant cooling water bypass pipe; 23. a heat exchange tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model relates to a system for preparing domestic hot water by recovering waste heat of cooling water of a novel power plant, which comprises a first power plant cooling water pipe 15 and a second power plant cooling water pipe 21, wherein a buffer tank 18 and a heat exchanger 19 are fixedly connected between the first power plant cooling water pipe 15 and the second power plant cooling water pipe 21 in sequence; a three-way proportional control valve 17 is fixedly connected between the first power plant cooling water pipe 15 and the buffer tank 18, a power plant cooling water bypass pipe 22 is connected to the three-way proportional control valve 17, one end, far away from the three-way proportional control valve 17, of the power plant cooling water bypass pipe 22 is connected with a second power plant cooling water pipe 21, when the temperature of detected hot water is higher than a set temperature, a temperature control system is started, the opening degree of the three-way proportional control valve 17 is reduced, the amount of water entering the heat exchanger 19 is reduced, and redundant power plant cooling water flows into the second power plant cooling water pipe 21 from the power plant cooling water bypass; a first power plant cooling water temperature sensor 16 is fixedly connected to the first power plant cooling water pipe 15, and a second power plant cooling water temperature sensor 20 is fixedly connected to the second power plant cooling water pipe 21, so that the temperature inside the first power plant cooling water pipe 15 can be conveniently monitored by the first power plant cooling water temperature sensor 16; the filtering layer is arranged in the buffer tank 18, the bottom end of the buffer tank 18 is provided with a sewage collecting hopper and a sewage draining valve, the cooling water of the power plant contains impurities and has large flow rate, so that the heat exchanger 19 and a pipeline are easy to block, the buffer tank 18 is arranged at the cooling water inlet of the power plant, when the cooling water of the power plant is introduced into the buffer tank 18, the impurities are filtered and stored in the sewage collecting hopper, when the sewage collecting hopper is fully collected, the sewage draining valve is opened greatly, the back flushing is automatically carried out, and meanwhile, the flow rate of the cooling water of the power plant is slowed down, so that; the heat exchange tube 23 is fixedly connected inside the heat exchanger 19, the heat exchange tube 23 is spiral, and the retention time of heat exchange water inside the heat exchanger 19 is effectively prolonged through the shape of the heat exchange tube 23, so that the heat exchange efficiency is better;
the input end of the heat exchange pipe 23 is fixedly connected with a first cold water pipe 9, the first cold water pipe 9 is also fixedly connected with a first cold water temperature sensor 12, a cold water pump 11 and a cold water filter 10, the temperature inside the first cold water pipe 9 can be conveniently monitored through the first cold water temperature sensor 12, the flow rate inside the first cold water pipe 9 is controlled through the cold water pump 11, the liquid inside the first cold water pipe 9 is filtered through the cold water filter 10, and when the temperature is higher than a set value, the flow rate of the liquid inside the first cold water pipe 9 is reduced through controlling the cold water pump 11 through the first cold water temperature sensor 12;
the output end of the heat exchange pipe 23 is connected with a second cold water pipe 13, and the second cold water pipe 13 is also fixedly connected with a second cold water temperature sensor 14, so that the temperature inside the second cold water pipe 13 can be conveniently monitored through the second cold water temperature sensor 14; one ends of the first cold water pipe 9 and the second cold water pipe 13, which are far away from the heat exchanger 19, are connected with the high-efficiency heat pump 1, and the high-efficiency heat pump 1 is connected with the water storage tank 4 through the first hot water pipe 3 and the second hot water pipe 8; a second hot water temperature sensor 5, a hot water pump 6 and a hot water filter 7 are fixedly connected to the second hot water pipe 8 from left to right in sequence, so that the temperature inside the second hot water pipe 8 can be monitored through the second hot water temperature sensor 5, the flow rate inside the second hot water temperature sensor 5 is controlled through the hot water pump 6, the liquid inside the second hot water pipe 8 is filtered through the hot water filter 7, and when the temperature is higher than a set value, the hot water pump 6 is controlled through the second hot water temperature sensor 5, so that the flow rate of the liquid inside the second hot water pipe 8 is reduced; the first hot water pipe 3 is fixedly connected with a first hot water temperature sensor 2, so that the temperature inside the first hot water pipe 3 can be conveniently monitored through the first hot water temperature sensor 2;
the control part summarizes the description: the cooling water, the cold water and the hot water of the power plant are controlled by temperature and are in linkage control with a three-way proportional control valve 17; the input quantity of cooling water and the output temperature of hot water of the power plant are adjusted through the opening of the three-way proportional control valve 17.
One specific application of this embodiment is: link to each other the device with power plant's cooling water system, through the leading-in heat exchanger 19 inside heat transfer of power plant's cooling water of first power plant condenser tube 15, through starting inside the leading-in heat exchanger 19 of the inside cold water of cold water pump 11 with high-efficient heat pump 1, after cold water absorbs the power plant's cooling water heat, the temperature rises, the cooling water after the intensification reentries high-efficient heat pump 1 and cools down, through hot-water pump 6 with the leading-in high-efficient heat pump 1 inside of the inside domestic water of storage water tank 4, absorb the cold water heat through high-efficient heat pump 1, give domestic water with the heat conduction, heat domestic water, domestic water after the heating sends.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a novel power plant's cooling water waste heat recovery prepares life hot water system which characterized in that: the device comprises a first power plant cooling water pipe (15) and a second power plant cooling water pipe (21), wherein a buffer tank (18) and a heat exchanger (19) are sequentially and fixedly connected between the first power plant cooling water pipe (15) and the second power plant cooling water pipe (21);
a heat exchange tube (23) is fixedly connected inside the heat exchanger (19), and the heat exchange tube (23) is spiral;
the heat exchanger is characterized in that the input end of the heat exchange tube (23) is fixedly connected with a first cold water tube (9), the output end of the heat exchange tube (23) is connected with a second cold water tube (13), one end of the first cold water tube (9) and the second cold water tube (13), which is far away from the heat exchanger (19), is connected with the high-efficiency heat pump (1), and the high-efficiency heat pump (1) is connected with the water storage tank (4) through a first hot water tube (3) and a second hot water tube (8).
2. The novel system for recovering waste heat of cooling water of a power plant to prepare domestic hot water according to claim 1, characterized in that a three-way proportional control valve (17) is further fixedly connected between the cooling water pipe (15) of the first power plant and the buffer tank (18), a cooling water bypass pipe (22) of the power plant is further connected to the three-way proportional control valve (17), and one end of the cooling water bypass pipe (22) of the power plant, which is far away from the three-way proportional control valve (17), is connected to a cooling water pipe (21) of a second power plant.
3. The system for preparing domestic hot water by recovering waste heat of cooling water of a novel power plant according to claim 1, characterized in that a first power plant cooling water temperature sensor (16) is further fixedly connected to the first power plant cooling water pipe (15), and a second power plant cooling water temperature sensor (20) is further fixedly connected to the second power plant cooling water pipe (21).
4. The novel power plant cooling water waste heat recovery domestic hot water production system according to claim 1, wherein the first cold water pipe (9) is further fixedly connected with a first cold water temperature sensor (12), a cold water pump (11) and a cold water filter (10).
5. The system for preparing domestic hot water by recovering waste heat of cooling water of a novel power plant according to claim 1, characterized in that a second cold water temperature sensor (14) is fixedly connected to the second cold water pipe (13).
6. The system for preparing domestic hot water by recovering waste heat of cooling water of a novel power plant according to claim 1, characterized in that a first hot water temperature sensor (2) is fixedly connected to the first hot water pipe (3).
7. The system for preparing domestic hot water by recovering waste heat of cooling water of a novel power plant according to claim 1, characterized in that a second hot water temperature sensor (5), a hot water pump (6) and a hot water filter (7) are fixedly connected to the second hot water pipe (8) from left to right in sequence.
8. The novel power plant cooling water waste heat recovery domestic hot water preparation system according to claim 1, characterized in that a filter layer is arranged inside the buffer tank (18), and a sewage collecting hopper and a blow-down valve are arranged at the bottom end of the buffer tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022669936.7U CN213687976U (en) | 2020-11-18 | 2020-11-18 | Novel power plant cooling water waste heat recovery system for preparing domestic hot water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022669936.7U CN213687976U (en) | 2020-11-18 | 2020-11-18 | Novel power plant cooling water waste heat recovery system for preparing domestic hot water |
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| Publication Number | Publication Date |
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| CN213687976U true CN213687976U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022669936.7U Active CN213687976U (en) | 2020-11-18 | 2020-11-18 | Novel power plant cooling water waste heat recovery system for preparing domestic hot water |
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| CN (1) | CN213687976U (en) |
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- 2020-11-18 CN CN202022669936.7U patent/CN213687976U/en active Active
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